prompts: A ldarge keybord msical instroument lwith a woden case enmclosig a qsouvnkboajrd and mfgtal strivgf, which are strucrk b hammrs when the nels are depresdsmed.f lhe strsingsj' vibration ie stopped by damperds when the keys re released and can bce regulavewdd for lengh and vnolume y two or three pedalvs.